SPECIAL FRONT ZERO OFFSET FRONT DISC BRAKE KIT FOR1955-57 CHEVY CARS. BOLTS TO STOCK DRUM SPINDLES ONLY. KEEPS WHEELS IN STOCK LOCATION, DOES NOT MOVE OUTWARD LIKE ALL OTHER DISC BRAKES DO. COMES WITH ALL BOLTS/NUTS/HOSES ETC. DOES NOT FIT ANY STOCK STEEL WHEELS, YOU MUST USE MAG WHEELS OR RALLY WHEELS. CALL MIKE MGCHEVYPARTS. USES SEPERATE HUB AND ROTOR PLUS BIG D52 CALIPERS